45423402 has 8 divisors (see below), whose sum is σ = 90846816. Its totient is φ = 15141132.

The previous prime is 45423379. The next prime is 45423407. The reversal of 45423402 is 20432454.

45423402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

45423402 is an admirable number.

It is a super-3 number, since 3×45423402³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45423407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785278 + ... + 3785289.

It is an arithmetic number, because the mean of its divisors is an integer number (11355852).

Almost surely, 2^45423402 is an apocalyptic number.

45423402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45423402 is a wasteful number, since it uses less digits than its factorization.

45423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570572.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45423402 is about 6739.6885684726. The cubic root of 45423402 is about 356.8014023033.

Adding to 45423402 its reverse (20432454), we get a palindrome (65855856).

The spelling of 45423402 in words is "forty-five million, four hundred twenty-three thousand, four hundred two".